Global eval() Function - Javascript Global

Javascript examples for Global:eval

  1. HOME
  2. Javascript
  3. Global
  4. eval

Description

The eval() function evaluates or executes an argument.

Parameter Values

Parameter Description
stringA JavaScript expression, variable, statement, or sequence of statements

The following code shows how to Evaluate/Execute JavaScript code/expressions:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<button onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {//from w w w. j  av  a  2 s  . c om
    var x = 10;
    var y = 20;
    var a = eval("x * y") + "<br>";
    var b = eval("2 + 2") + "<br>";
    var c = eval("x + 17") + "<br>";

    var res = a + b + c;
    document.getElementById("demo").innerHTML = res;
}
</script>

</body>
</html>

Related Tutorials